Kirjoittanut Tapio Kauranen
Kirjoitettu: 21.7.2026 - Muokattu: 19.8.2026Sisällysluettelo
However, links need to be high-quality. Purchased links and adding your site to link directories rarely improve search visibility.
An external link can be thought of as a vote for your site. The vote from a high-quality link can be hundreds of times more powerful than that of a low-quality link.
These links are problematic:
A site owner can add the rel=nofollow snippet to a link to tell search engines not to follow (or index) it. That code asks the search engine not to follow the link. These links are unlikely to help your site’s search visibility.
Rel=nofollow is commonly used on sites that allow user-generated content. The tag is often used to prevent link spam. Below is a list of link types that typically use rel=nofollow on all their links.
You can check whether a site’s links have a rel=nofollow tag using a browser extension like MozBar (green = no rel=nofollow, red = has rel=nofollow).
The common thinking is that a link should point to the specific page whose search performance you want to boost. So it’s best if each important page on your site has its own external links.
Linking to the homepage can also have an effect on other pages of your site. According to Domain Authority (DA), developed by Moz, a link to the homepage has a small influence on the site’s overall search visibility.
Read the guides if you want to do SEO yourself:
SEO guide for beginners
SEO guide for professionals